Cascade Enantioselective Synthesis of 3-Arylphthalides Using Chiral Auxiliary Route
作者:Anil Karnik、Suchitra Kamath
DOI:10.1055/s-2008-1067098
日期:——
An enantioselective synthesis of 3-arylphthalides was achieved using ( S)-1-phenylethylamine as a chiral auxiliary. Reduction of chiral keto amides of 2-aroylbenzoicacids followed by acid-catalyzed lactonization yielded ( S)-3-arylphthalides with 75-85% ee.